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Deallocate PTY's when they close.

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This required a fair bit of plumbing. The CharacterDevice::close() virtual
will now be closed by ~FileDescriptor(), allowing device implementations to
do custom cleanup at that point.

One big problem remains: if the master PTY is closed before the slave PTY,
we go into crashy land.
This commit is contained in:
Andreas Kling 2019-01-30 18:26:19 +01:00
parent 027d26cd5d
commit b4e478aa50
19 changed files with 104 additions and 12 deletions
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2
Kernel/DevPtsFS.h
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@ -1,10 +1,10 @@
#pragma once
#include "SlavePTY.h"
#include <AK/Types.h>
#include <Kernel/SyntheticFileSystem.h>
class Process;
class SlavePTY;
class DevPtsFS final : public SynthFS {
public: